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    • 3. 发明授权
    • Architecture for generating adaptive arbitrary waveforms
    • 用于生成自适应任意波形的体系结构
    • US07072781B1
    • 2006-07-04
    • US10885284
    • 2004-07-06
    • Eugen GershonDavid GaunColin S. BillTzu-Ning Fang
    • Eugen GershonDavid GaunColin S. BillTzu-Ning Fang
    • G01R31/36
    • G01R31/31924G01R31/3167G01R31/31908G11C29/56G11C29/56004
    • A test system having a feedback loop that facilitates adjusting an output test waveform to a DUT/CUT (Device Under Test/Circuit Under Test) on-the-fly according to changing DUT/CUT parameters. The system includes a tester having an arbitrary waveform generator (AWG) and a data acquisition system (DAS) that monitors the status of the DUT/CUT. The AWG and DAS connect to the DUT/CUT through a feedback loop where the AWG outputs the test waveform to the DUT/CUT, the DAS monitors the DUT/CUT parameters, and the DAS analyzes and communicates changes to the AWG to effect changes in the output waveform, when desired. The AWG builds the output waveform in small slices (or segments) that are assembled together through a process of selection and calibration. The feedback architecture facilitates a number of changes in the output waveform, including a change in the original order of the preassembled slices, and changes in the magnitude/shape of the output waveform.
    • 具有反馈回路的测试系统,其根据改变的DUT / CUT参数,有助于将DUT / CUT(被测设备/待测电路)的输出测试波形实时调整。 该系统包括具有任意波形发生器(AWG)的测试器和监视DUT / CUT的状态的数据采集系统(DAS)。 AWG和DAS通过反馈回路连接到DUT / CUT,AWG将测试波形输出到DUT / CUT,DAS监视DUT / CUT参数,DAS分析并传送AWG的变化,以实现更改 输出波形。 AWG通过选择和校准过程组装在一起的小片(或片段)中构建输出波形。 反馈架构有助于输出波形的一些变化,包括预先组装的切片的原始顺序的改变以及输出波形的幅度/形状的变化。
    • 7. 发明授权
    • Method and arrangement for increasing data transmisssion rate over
telephone cable
    • 通过电话线增加数据传输速率的方法和布置
    • US5828733A
    • 1998-10-27
    • US416129
    • 1995-04-03
    • David M. BartonEugen GershonMuoi Huynh
    • David M. BartonEugen GershonMuoi Huynh
    • H04L5/20H04M11/00H04B1/38
    • H04L5/20
    • A method and arrangement for transferring data between nodes over a telephone cable that couples the nodes provides a dual configuration node transmitter, and a dual configuration node receiver. The dual configuration transmitter has a first transmitter circuit that transmits data over a first configuration of the telephone cable and a second transmitter that simultaneously transmits other data over a second configuration of the telephone cable. The dual configuration receiver is coupled to the telephone cable and has a first receiver circuit that selects the data transmitted by the first transmitter circuit and rejects the data transmitted by the second transmitter circuit, and a second receiver circuit that selects the data transmitted by the second transmitter circuit and rejects the data transmitted by the first transmitter circuit. The transmitting of data over two configurations of the same cable allows data to be transmitted twice as fast as over the same cable set up for transmission in a single configuration. Alternatively, in an Ethernet application, one configuration may carry the data while the other configuration simultaneously carries activity information.
    • 用于通过耦合节点的电话电缆在节点之间传送数据的方法和装置提供双配置节点发射机和双配置节点接收机。 双重配置发射机具有通过电话线的第一配置发送数据的第一发射机电路和通过电话线的第二配置同时发射其他数据的第二发射机。 双重配置接收器耦合到电话电缆,并且具有第一接收器电路,其选择由第一发射机电路发送的数据并且拒绝由第二发射机电路发送的数据;以及第二接收机电路,其选择由第二发射机发送的数据 发射机电路并拒绝第一发射机电路传输的数据。 通过同一电缆的两种配置的数据传输,允许将数据传输速度快于在单一配置中传输的相同电缆的两倍。 或者,在以太网应用中,一个配置可以携带数据,而另一个配置同时携带活动信息。
    • 8. 发明授权
    • Cascode operational amplifier with multiple input stage
    • 具有多输入级的串联运算放大器
    • US5604464A
    • 1997-02-18
    • US499315
    • 1995-07-07
    • Chien-Meen HwangEugen Gershon
    • Chien-Meen HwangEugen Gershon
    • H03F3/45
    • H03F3/4521H03F3/45188H03F3/45192H03F3/4565H03F3/45654H03F2203/45578
    • Disclosed herein is a cascode operational amplifier design with multiple input stages, and methods of operating the same, resulting in enhanced output gain and unity gain bandwidth operational amplifiers. The cascode operational amplifier comprises a differential input block which receives a differential input having a first differential input stage and a second differential input stage. A cascode block is coupled to the differential input block and provides a differential output for the operational amplifier. A common mode feedback block coupled to the second differential input stage of the differential input block and the differential output of the cascode block stabilizes a DC output level for the differential output. A load block is coupled to the differential output of the cascode block and applies a resistive load to the differential output in response to a differential input signal applied to the differential input block.
    • 这里公开了具有多个输入级的共源共栅运算放大器设计及其操作方法,导致增强的输出增益和单位增益带宽运算放大器。 共源共栅运算放大器包括差分输入块,其接收具有第一差分输入级和第二差分输入级的差分输入。 共源共栅块耦合到差分输入块,并为运算放大器提供差分输出。 耦合到差分输入块的第二差分输入级的共模反馈块和共源共栅组的差分输出稳定用于差分输出的DC输出电平。 负载块耦合到共源共栅块的差分输出,并响应于施加到差分输入块的差分输入信号,向差分输出施加电阻性负载。
    • 9. 发明授权
    • Systems and methods for locating error bits in encoded data
    • 用于定位编码数据中错误位的系统和方法
    • US08255777B2
    • 2012-08-28
    • US12368835
    • 2009-02-10
    • Ping HouEugen Gershon
    • Ping HouEugen Gershon
    • H03M13/00
    • G06F11/1008H03M13/152H03M13/1525H03M13/1545H03M13/6561
    • Systems and methods for identifying error bits in encoded data are disclosed. As a part of identifying error bits, encoded data that is provided from a data source and that includes data and parity check portions is accessed. Based on the encoded data, syndromes are calculated, and based on the calculated syndromes, an equation is determined. The roots of the equation are determined and based on the determined roots of the equation, one or more error bits are identified. The error bits are identified using a circuit that presents a binary representation of the roots. The error bits are corrected based on the error bits that are identified.
    • 公开了用于识别编码数据中的错误位的系统和方法。 作为识别错误位的一部分,访问从数据源提供并且包括数据和奇偶校验部分的编码数据。 基于编码数据,计算综合征,并且基于所计算的综合征,确定方程式。 确定等式的根,并且基于确定的等式的根,识别一个或多个错误位。 使用呈现根的二进制表示的电路来识别错误位。 错误位根据识别的错误位进行校正。
    • 10. 发明申请
    • ADAPTIVE DETECTION OF THRESHOLD LEVELS IN MEMORY
    • 自适应检测记忆中的阈值水平
    • US20080266945A1
    • 2008-10-30
    • US11742371
    • 2007-04-30
    • Ping HouEugen GershonMichael A. Van Buskirk
    • Ping HouEugen GershonMichael A. Van Buskirk
    • G11C11/34
    • G11C11/5642
    • Systems, methods, and/or devices that facilitate accessing data from memory are presented. An adaptive detection component can be employed to reduce or minimize detection error and distinguish information stored in memory cells during read operations. A decoder component can include the adaptive detection component, which can employ an adaptive Linde-Buzo-Gray (LBG) algorithm. The decoder component can receive information associated with a current level from a memory location during a read operation, and can analyze and process such information. The adaptive detection component can receive the processed information and, along with other information, can process such information using the iterative LBG algorithm until reconstruction levels and corresponding threshold levels are determined. Such reconstruction levels and/or threshold levels can be compared to the value associated with the information read from the memory location to determine the data value of the data in the memory location.
    • 介绍了便于从存储器访问数据的系统,方法和/或设备。 可以采用自适应检测部件来减少或最小化检测误差,并且在读取操作期间区分存储在存储器单元中的信息。 解码器组件可以包括自适应检测组件,其可以采用自适应林德 - 布佐灰色(LBG)算法。 解码器组件可以在读取操作期间从存储器位置接收与当前级别相关联的信息,并且可以分析和处理这样的信息。 自适应检测组件可以接收经处理的信息,并且与其他信息一起可以使用迭代LBG算法来处理这样的信息,直到确定重建级别和对应的阈值级别为止。 可以将这样的重建级别和/或阈值级别与与从存储器位置读取的信息相关联的值进行比较,以确定存储器位置中的数据的数据值。